VIX +1.5%
VIX index rises 1.5% to 18.91 as NYSE and NASDAQ volumes are below their one-month averages
NYSE volume 174M shares, 9% below its one-month average; Advancers lead decliners by 2.3:1 - NASDAQ volume 3.49B shares, 6% below its one-month average; Advancers lead decliners by 1.5:1 - VIX index +1.5% at 18.91